package com.huangzhao.gulimall.product.exception;

import com.huangzhao.gulimall.common.exception.BizCodeEnum;
import com.huangzhao.gulimall.common.utils.R;
import lombok.extern.log4j.Log4j2;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.HashMap;
import java.util.Map;

/**
 * 集中处理所有异常
 * @author huangzhao
 */
@RestControllerAdvice(basePackages = "com.huangzhao.gulimall.product.controller")
@Log4j2
public class GulimallExceptionControllerAdvice {

    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R handleValidException(MethodArgumentNotValidException e) {
        log.error("数据校验出现问题{}，问题类型{}", e.getMessage(), e.getClass());
        BindingResult result = e.getBindingResult();
        Map<String,String> errorMap = new HashMap<>();
        result.getFieldErrors().forEach(vo -> {
            String message = vo.getDefaultMessage();
            String field = vo.getField();
            errorMap.put(field, message);
        });
        return R.error(BizCodeEnum.VALID_EXCEPTION.getCode(), BizCodeEnum.VALID_EXCEPTION.getMsg()).put("errorMap", errorMap);
    }

    @ExceptionHandler(value = Throwable.class)
    public R handleException(Throwable th) {
        th.printStackTrace();
        return R.error(BizCodeEnum.UNKNOWN_EXCEPTION.getCode(), BizCodeEnum.UNKNOWN_EXCEPTION.getMsg());
    }
}
